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LibCrypto: Move each subsection into its own namespace

This commit is contained in:
AnotherTest 2020-04-07 14:42:27 +04:30 committed by Andreas Kling
parent 96dd7c2996
commit 4f89a377a4
9 changed files with 3256 additions and 3228 deletions

View file

@ -65,167 +65,168 @@ static constexpr inline void round_4(u32& a, u32 b, u32 c, u32 d, u32 x, u32 s,
}
namespace Crypto {
namespace Hash {
void MD5::update(const u8* input, size_t length)
{
auto index = (u32)(m_count[0] >> 3) & 0x3f;
size_t offset { 0 };
m_count[0] += (u32)length << 3;
if (m_count[0] < ((u32)length << 3)) {
++m_count[1];
void MD5::update(const u8* input, size_t length)
{
auto index = (u32)(m_count[0] >> 3) & 0x3f;
size_t offset { 0 };
m_count[0] += (u32)length << 3;
if (m_count[0] < ((u32)length << 3)) {
++m_count[1];
}
m_count[1] += (u32)length >> 29;
auto part_length = 64 - index;
if (length >= part_length) {
m_buffer.overwrite(index, input, part_length);
transform(m_buffer.data());
for (offset = part_length; offset + 63 < length; offset += 64)
transform(&input[offset]);
index = 0;
}
ASSERT(length < part_length || length - offset <= 64);
m_buffer.overwrite(index, &input[offset], length - offset);
}
m_count[1] += (u32)length >> 29;
MD5::DigestType MD5::digest()
{
DigestType digest;
u8 bits[8];
auto part_length = 64 - index;
if (length >= part_length) {
m_buffer.overwrite(index, input, part_length);
transform(m_buffer.data());
encode(m_count, bits, 8);
for (offset = part_length; offset + 63 < length; offset += 64)
transform(&input[offset]);
// pad the data to 56%64
u32 index = (u32)((m_count[0] >> 3) & 0x3f);
u32 pad_length = index < 56 ? 56 - index : 120 - index;
update(MD5Constants::PADDING, pad_length);
index = 0;
// append length
update(bits, 8);
// store state (4 registers ABCD)
encode(&m_A, digest.data, 4 * sizeof(m_A));
reset();
return digest;
}
ASSERT(length < part_length || length - offset <= 64);
m_buffer.overwrite(index, &input[offset], length - offset);
}
MD5::DigestType MD5::digest()
{
DigestType digest;
u8 bits[8];
encode(m_count, bits, 8);
// pad the data to 56%64
u32 index = (u32)((m_count[0] >> 3) & 0x3f);
u32 pad_length = index < 56 ? 56 - index : 120 - index;
update(Constants::PADDING, pad_length);
// append length
update(bits, 8);
// store state (4 registers ABCD)
encode(&m_A, digest.data, 4 * sizeof(m_A));
reset();
return digest;
}
void MD5::encode(const u32* from, u8* to, size_t length)
{
for (size_t i = 0, j = 0; j < length; ++i, j += 4) {
to[j] = (u8)(from[i] & 0xff);
to[j + 1] = (u8)((from[i] >> 8) & 0xff);
to[j + 2] = (u8)((from[i] >> 16) & 0xff);
to[j + 3] = (u8)((from[i] >> 24) & 0xff);
void MD5::encode(const u32* from, u8* to, size_t length)
{
for (size_t i = 0, j = 0; j < length; ++i, j += 4) {
to[j] = (u8)(from[i] & 0xff);
to[j + 1] = (u8)((from[i] >> 8) & 0xff);
to[j + 2] = (u8)((from[i] >> 16) & 0xff);
to[j + 3] = (u8)((from[i] >> 24) & 0xff);
}
}
}
void MD5::decode(const u8* from, u32* to, size_t length)
{
for (size_t i = 0, j = 0; j < length; ++i, j += 4)
to[i] = (((u32)from[j]) | (((u32)from[j + 1]) << 8) | (((u32)from[j + 2]) << 16) | (((u32)from[j + 3]) << 24));
}
void MD5::decode(const u8* from, u32* to, size_t length)
{
for (size_t i = 0, j = 0; j < length; ++i, j += 4)
to[i] = (((u32)from[j]) | (((u32)from[j + 1]) << 8) | (((u32)from[j + 2]) << 16) | (((u32)from[j + 3]) << 24));
}
void MD5::transform(const u8* block)
{
auto a = m_A;
auto b = m_B;
auto c = m_C;
auto d = m_D;
u32 x[16];
void MD5::transform(const u8* block)
{
auto a = m_A;
auto b = m_B;
auto c = m_C;
auto d = m_D;
u32 x[16];
decode(block, x, 64);
decode(block, x, 64);
round_1(a, b, c, d, x[0], Constants::S11, 0xd76aa478); // 1
round_1(d, a, b, c, x[1], Constants::S12, 0xe8c7b756); // 2
round_1(c, d, a, b, x[2], Constants::S13, 0x242070db); // 3
round_1(b, c, d, a, x[3], Constants::S14, 0xc1bdceee); // 4
round_1(a, b, c, d, x[4], Constants::S11, 0xf57c0faf); // 5
round_1(d, a, b, c, x[5], Constants::S12, 0x4787c62a); // 6
round_1(c, d, a, b, x[6], Constants::S13, 0xa8304613); // 7
round_1(b, c, d, a, x[7], Constants::S14, 0xfd469501); // 8
round_1(a, b, c, d, x[8], Constants::S11, 0x698098d8); // 9
round_1(d, a, b, c, x[9], Constants::S12, 0x8b44f7af); // 10
round_1(c, d, a, b, x[10], Constants::S13, 0xffff5bb1); // 11
round_1(b, c, d, a, x[11], Constants::S14, 0x895cd7be); // 12
round_1(a, b, c, d, x[12], Constants::S11, 0x6b901122); // 13
round_1(d, a, b, c, x[13], Constants::S12, 0xfd987193); // 14
round_1(c, d, a, b, x[14], Constants::S13, 0xa679438e); // 15
round_1(b, c, d, a, x[15], Constants::S14, 0x49b40821); // 16
round_1(a, b, c, d, x[0], MD5Constants::S11, 0xd76aa478); // 1
round_1(d, a, b, c, x[1], MD5Constants::S12, 0xe8c7b756); // 2
round_1(c, d, a, b, x[2], MD5Constants::S13, 0x242070db); // 3
round_1(b, c, d, a, x[3], MD5Constants::S14, 0xc1bdceee); // 4
round_1(a, b, c, d, x[4], MD5Constants::S11, 0xf57c0faf); // 5
round_1(d, a, b, c, x[5], MD5Constants::S12, 0x4787c62a); // 6
round_1(c, d, a, b, x[6], MD5Constants::S13, 0xa8304613); // 7
round_1(b, c, d, a, x[7], MD5Constants::S14, 0xfd469501); // 8
round_1(a, b, c, d, x[8], MD5Constants::S11, 0x698098d8); // 9
round_1(d, a, b, c, x[9], MD5Constants::S12, 0x8b44f7af); // 10
round_1(c, d, a, b, x[10], MD5Constants::S13, 0xffff5bb1); // 11
round_1(b, c, d, a, x[11], MD5Constants::S14, 0x895cd7be); // 12
round_1(a, b, c, d, x[12], MD5Constants::S11, 0x6b901122); // 13
round_1(d, a, b, c, x[13], MD5Constants::S12, 0xfd987193); // 14
round_1(c, d, a, b, x[14], MD5Constants::S13, 0xa679438e); // 15
round_1(b, c, d, a, x[15], MD5Constants::S14, 0x49b40821); // 16
round_2(a, b, c, d, x[1], Constants::S21, 0xf61e2562); // 17
round_2(d, a, b, c, x[6], Constants::S22, 0xc040b340); // 18
round_2(c, d, a, b, x[11], Constants::S23, 0x265e5a51); // 19
round_2(b, c, d, a, x[0], Constants::S24, 0xe9b6c7aa); // 20
round_2(a, b, c, d, x[5], Constants::S21, 0xd62f105d); // 21
round_2(d, a, b, c, x[10], Constants::S22, 0x2441453); // 22
round_2(c, d, a, b, x[15], Constants::S23, 0xd8a1e681); // 23
round_2(b, c, d, a, x[4], Constants::S24, 0xe7d3fbc8); // 24
round_2(a, b, c, d, x[9], Constants::S21, 0x21e1cde6); // 25
round_2(d, a, b, c, x[14], Constants::S22, 0xc33707d6); // 26
round_2(c, d, a, b, x[3], Constants::S23, 0xf4d50d87); // 27
round_2(b, c, d, a, x[8], Constants::S24, 0x455a14ed); // 28
round_2(a, b, c, d, x[13], Constants::S21, 0xa9e3e905); // 29
round_2(d, a, b, c, x[2], Constants::S22, 0xfcefa3f8); // 30
round_2(c, d, a, b, x[7], Constants::S23, 0x676f02d9); // 31
round_2(b, c, d, a, x[12], Constants::S24, 0x8d2a4c8a); // 32
round_2(a, b, c, d, x[1], MD5Constants::S21, 0xf61e2562); // 17
round_2(d, a, b, c, x[6], MD5Constants::S22, 0xc040b340); // 18
round_2(c, d, a, b, x[11], MD5Constants::S23, 0x265e5a51); // 19
round_2(b, c, d, a, x[0], MD5Constants::S24, 0xe9b6c7aa); // 20
round_2(a, b, c, d, x[5], MD5Constants::S21, 0xd62f105d); // 21
round_2(d, a, b, c, x[10], MD5Constants::S22, 0x2441453); // 22
round_2(c, d, a, b, x[15], MD5Constants::S23, 0xd8a1e681); // 23
round_2(b, c, d, a, x[4], MD5Constants::S24, 0xe7d3fbc8); // 24
round_2(a, b, c, d, x[9], MD5Constants::S21, 0x21e1cde6); // 25
round_2(d, a, b, c, x[14], MD5Constants::S22, 0xc33707d6); // 26
round_2(c, d, a, b, x[3], MD5Constants::S23, 0xf4d50d87); // 27
round_2(b, c, d, a, x[8], MD5Constants::S24, 0x455a14ed); // 28
round_2(a, b, c, d, x[13], MD5Constants::S21, 0xa9e3e905); // 29
round_2(d, a, b, c, x[2], MD5Constants::S22, 0xfcefa3f8); // 30
round_2(c, d, a, b, x[7], MD5Constants::S23, 0x676f02d9); // 31
round_2(b, c, d, a, x[12], MD5Constants::S24, 0x8d2a4c8a); // 32
round_3(a, b, c, d, x[5], Constants::S31, 0xfffa3942); // 33
round_3(d, a, b, c, x[8], Constants::S32, 0x8771f681); // 34
round_3(c, d, a, b, x[11], Constants::S33, 0x6d9d6122); // 35
round_3(b, c, d, a, x[14], Constants::S34, 0xfde5380c); // 36
round_3(a, b, c, d, x[1], Constants::S31, 0xa4beea44); // 37
round_3(d, a, b, c, x[4], Constants::S32, 0x4bdecfa9); // 38
round_3(c, d, a, b, x[7], Constants::S33, 0xf6bb4b60); // 39
round_3(b, c, d, a, x[10], Constants::S34, 0xbebfbc70); // 40
round_3(a, b, c, d, x[13], Constants::S31, 0x289b7ec6); // 41
round_3(d, a, b, c, x[0], Constants::S32, 0xeaa127fa); // 42
round_3(c, d, a, b, x[3], Constants::S33, 0xd4ef3085); // 43
round_3(b, c, d, a, x[6], Constants::S34, 0x4881d05); // 44
round_3(a, b, c, d, x[9], Constants::S31, 0xd9d4d039); // 45
round_3(d, a, b, c, x[12], Constants::S32, 0xe6db99e5); // 46
round_3(c, d, a, b, x[15], Constants::S33, 0x1fa27cf8); // 47
round_3(b, c, d, a, x[2], Constants::S34, 0xc4ac5665); // 48
round_3(a, b, c, d, x[5], MD5Constants::S31, 0xfffa3942); // 33
round_3(d, a, b, c, x[8], MD5Constants::S32, 0x8771f681); // 34
round_3(c, d, a, b, x[11], MD5Constants::S33, 0x6d9d6122); // 35
round_3(b, c, d, a, x[14], MD5Constants::S34, 0xfde5380c); // 36
round_3(a, b, c, d, x[1], MD5Constants::S31, 0xa4beea44); // 37
round_3(d, a, b, c, x[4], MD5Constants::S32, 0x4bdecfa9); // 38
round_3(c, d, a, b, x[7], MD5Constants::S33, 0xf6bb4b60); // 39
round_3(b, c, d, a, x[10], MD5Constants::S34, 0xbebfbc70); // 40
round_3(a, b, c, d, x[13], MD5Constants::S31, 0x289b7ec6); // 41
round_3(d, a, b, c, x[0], MD5Constants::S32, 0xeaa127fa); // 42
round_3(c, d, a, b, x[3], MD5Constants::S33, 0xd4ef3085); // 43
round_3(b, c, d, a, x[6], MD5Constants::S34, 0x4881d05); // 44
round_3(a, b, c, d, x[9], MD5Constants::S31, 0xd9d4d039); // 45
round_3(d, a, b, c, x[12], MD5Constants::S32, 0xe6db99e5); // 46
round_3(c, d, a, b, x[15], MD5Constants::S33, 0x1fa27cf8); // 47
round_3(b, c, d, a, x[2], MD5Constants::S34, 0xc4ac5665); // 48
round_4(a, b, c, d, x[0], Constants::S41, 0xf4292244); // 49
round_4(d, a, b, c, x[7], Constants::S42, 0x432aff97); // 50
round_4(c, d, a, b, x[14], Constants::S43, 0xab9423a7); // 51
round_4(b, c, d, a, x[5], Constants::S44, 0xfc93a039); // 52
round_4(a, b, c, d, x[12], Constants::S41, 0x655b59c3); // 53
round_4(d, a, b, c, x[3], Constants::S42, 0x8f0ccc92); // 54
round_4(c, d, a, b, x[10], Constants::S43, 0xffeff47d); // 55
round_4(b, c, d, a, x[1], Constants::S44, 0x85845dd1); // 56
round_4(a, b, c, d, x[8], Constants::S41, 0x6fa87e4f); // 57
round_4(d, a, b, c, x[15], Constants::S42, 0xfe2ce6e0); // 58
round_4(c, d, a, b, x[6], Constants::S43, 0xa3014314); // 59
round_4(b, c, d, a, x[13], Constants::S44, 0x4e0811a1); // 60
round_4(a, b, c, d, x[4], Constants::S41, 0xf7537e82); // 61
round_4(d, a, b, c, x[11], Constants::S42, 0xbd3af235); // 62
round_4(c, d, a, b, x[2], Constants::S43, 0x2ad7d2bb); // 63
round_4(b, c, d, a, x[9], Constants::S44, 0xeb86d391); // 64
round_4(a, b, c, d, x[0], MD5Constants::S41, 0xf4292244); // 49
round_4(d, a, b, c, x[7], MD5Constants::S42, 0x432aff97); // 50
round_4(c, d, a, b, x[14], MD5Constants::S43, 0xab9423a7); // 51
round_4(b, c, d, a, x[5], MD5Constants::S44, 0xfc93a039); // 52
round_4(a, b, c, d, x[12], MD5Constants::S41, 0x655b59c3); // 53
round_4(d, a, b, c, x[3], MD5Constants::S42, 0x8f0ccc92); // 54
round_4(c, d, a, b, x[10], MD5Constants::S43, 0xffeff47d); // 55
round_4(b, c, d, a, x[1], MD5Constants::S44, 0x85845dd1); // 56
round_4(a, b, c, d, x[8], MD5Constants::S41, 0x6fa87e4f); // 57
round_4(d, a, b, c, x[15], MD5Constants::S42, 0xfe2ce6e0); // 58
round_4(c, d, a, b, x[6], MD5Constants::S43, 0xa3014314); // 59
round_4(b, c, d, a, x[13], MD5Constants::S44, 0x4e0811a1); // 60
round_4(a, b, c, d, x[4], MD5Constants::S41, 0xf7537e82); // 61
round_4(d, a, b, c, x[11], MD5Constants::S42, 0xbd3af235); // 62
round_4(c, d, a, b, x[2], MD5Constants::S43, 0x2ad7d2bb); // 63
round_4(b, c, d, a, x[9], MD5Constants::S44, 0xeb86d391); // 64
m_A += a;
m_B += b;
m_C += c;
m_D += d;
m_A += a;
m_B += b;
m_C += c;
m_D += d;
__builtin_memset(x, 0, sizeof(x));
}
__builtin_memset(x, 0, sizeof(x));
}
void MD5::reset()
{
m_A = Constants::init_A;
m_B = Constants::init_B;
m_C = Constants::init_C;
m_D = Constants::init_D;
void MD5::reset()
{
m_A = MD5Constants::init_A;
m_B = MD5Constants::init_B;
m_C = MD5Constants::init_C;
m_D = MD5Constants::init_D;
m_count[0] = 0;
m_count[1] = 0;
m_count[0] = 0;
m_count[1] = 0;
__builtin_memset(m_data_buffer, 0, sizeof(m_data_buffer));
}
__builtin_memset(m_data_buffer, 0, sizeof(m_data_buffer));
}
}
}